I've never seen this before. WiFi with a SIM? How does that work? What standard is that? How does my phone know about it? I can't find anything on it online.


@sj Just a theory... Like most ISPs, ATT provides routers with Wi-Fi. But it allows guest access to other ATT customers. In order to verify you're a legitimate ATT customer, you authenticate with your SIM data.

It seems everyone has a way to share their Wi-Fi now. Authenticating with a SIM makes some sense.

At least that's my theory.

@ericphelps I agree, but what protocols they use, how the information is stored on the SIM, what other SIM capabilities have we not heard of, where's this documented, can I set up my own and how...

Sign in to participate in the conversation

Server run by the main developers of the project 🐘 It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!